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Science News Archive July 2023 - Page 18


Page 18 of 36

PFAS reduce the activity of immune cells

Researchers used a new method to study PFAS's impact on immune cells, finding that they significantly reduced T-cell activity and impaired the function of certain immune cells. This could lead to increased susceptibility to infections and reduced antibody production after vaccinations.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalChemosphere·TypeExperimental study·DateJul 18, 2023

Smiles all round: clinical trial shows that a toothpaste containing synthetic tooth minerals can prevent cavities as effectively as fluoride

A clinical trial found that hydroxyapatite toothpaste is equally effective in preventing cavities as fluoride toothpaste. The study involved 189 adults who used either hydroxyapatite or fluoride toothpaste for 18 months, with no significant difference in efficacy between the two groups.

SourceFrontiers·JournalFrontiers in Public Health·TypeRandomized controlled/clinical trial·DateJul 18, 2023
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Freshwater management techniques benefit both inland and coastal wetlands stressed by climate change

Researchers propose employing freshwater delivery techniques from inland wetlands to mitigate coastal salinification. Alternative water sources like treated effluent and stormwater may support riparian ecosystems in urban settings. Techniques can help restore function and resilience in the face of climate change.

SourceEcosystem Health and Sustainability·JournalEcosystem Health and Sustainability·TypeLiterature review·DateJul 18, 2023

Researchers identify new method to reverse effects of fentanyl

Researchers at Indiana University have identified a new method to reverse the effects of fentanyl, which is 50 to 100 times stronger than morphine. Cannabidiol, or CBD, was found to behave as a negative allosteric modulator at the binding site, successfully reversing fentanyl effects in in vitro tests.

SourceIndiana University·JournalJournal of Medicinal Chemistry·TypeExperimental study·DateJul 18, 2023

Study shows differences in how patients with heroin use disorder process drug and reward cues

Researchers found that individuals with heroin use disorder exhibited a bias towards processing drug cues, while healthy controls showed the opposite pattern. This suggests that efforts to downregulate responses to drug cues may come at the cost of amplifying responses to natural rewards.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalAmerican Journal of Psychiatry·TypeExperimental study·DateJul 18, 2023

Japanese beetles could spread throughout Washington state in 20 years

A study found that Japanese beetles are likely to thrive in southeastern Washington and could spread throughout the region from Yakima to the Tri-Cities and north past Moses Lake. The beetles' potential dispersion is influenced by factors such as human activity and suitable habitat.

SourceWashington State University·JournalJournal of Economic Entomology·DateJul 18, 2023
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

MUSC researchers discover novel biomarker for sepsis severity

Researchers at MUSC have identified a potential novel biomarker for sepsis, which can be predicted by the contents of extracellular vesicles in the bloodstream. This discovery could lead to more accurate diagnosis and personalized treatment strategies for sepsis patients.

SourceMedical University of South Carolina·JournalFrontiers in Immunology·DateJul 18, 2023

Structure of the elusive boron monoxide finally determined after 83 years

A team from Ames National Laboratory solved the structure of boron monoxide, a compound first discovered in the 1940s, using new nuclear magnetic resonance (NMR) methods and techniques. The researchers found that the material forms nanosheets with a turbostratic arrangement.

SourceDOE/Ames National Laboratory·JournalJournal of the American Chemical Society·DateJul 18, 2023

This is what relatives think about home-based hospital care

The study found that relatives have an important role in home hospitals, providing emotional support and guidance during the treatment process. Relatives reported conflicting feelings about being involved, but ultimately felt satisfied with the experience and would contribute again if needed.

SourceNorwegian University of Science and Technology·JournalBMC Health Services Research·DateJul 18, 2023
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

An early breakfast may reduce the risk of developing type 2 diabetes

A study of over 100,000 participants found that eating breakfast late may increase the risk of developing type 2 diabetes. The research suggests that a first meal before 8 am and an early dinner may help reduce this risk.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalInternational Journal of Epidemiology·TypeObservational study·DateJul 18, 2023

Life on Earth didn’t arise as described in textbooks

A study by University of Copenhagen researchers challenges a 70-year-old assumption about the origins of life on Earth. They found that oxygen concentrations in ancient ocean samples were 5-10 times lower than today, contradicting previous theories that increased oxygen levels drove the evolution of more complex marine organisms.

SourceUniversity of Copenhagen - Faculty of Science·JournalGeobiology·DateJul 18, 2023

Some corals may survive climate change without paying a metabolic price

New research shows certain coral species can survive climate change without suffering reduced growth or other tradeoffs when partnering with thermally tolerant algae. This finding suggests these partnerships may dominate reef ecosystems in a climate-changed future.

SourcePenn State·JournalProceedings of the Royal Society B Biological Sciences·DateJul 18, 2023
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Interracial relationships don’t always make people less racist

A new academic paper from Rice University and Texas A\(M g University found that interracial relationships do not necessarily end discriminatory tendencies among individuals, even those in romantic partnerships. Researchers examined existing research on close interracial relationships to see how they impacted overall attitudes about ra...

SourceRice University·JournalJournal of Family Theory & Review·TypeMeta-analysis·DateJul 18, 2023

New cholera substrains in Bangladesh uncovered by genomic surveillance confirm the importance of vaccination

Researchers discovered two new cholera sublineages in a refugee population in southern Bangladesh, highlighting the importance of mass vaccination. The study used genomic surveillance to track the strains and showed that the vaccine intervention was crucial in preventing an epidemic.

SourceWellcome Trust Sanger Institute·JournalNature Communications·TypeExperimental study·DateJul 18, 2023

A global overview of antibiotic resistance determinants

The study identified significant differences in antibiotic resistance trends and associated factors depending on bacterial species and antibiotic resistance to certain antibiotics. High health system quality was linked to low levels of resistance, while high temperatures were associated with increased resistance in Enterobacteriaceae.

SourceInstitut Pasteur·JournalThe Lancet Planetary Health·TypeData/statistical analysis·DateJul 18, 2023
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Study unveils picolinic acid’s broad-spectrum antiviral abilities

Researchers at the Indian Institute of Science have discovered picolinic acid's ability to disrupt viral entry into host cells, blocking enveloped viruses like SARS-CoV-2 and influenza A viruses. The compound targets a host-derived component of the virus, causing permanent damage while minimizing effects on the host cell.

SourceIndian Institute of Science (IISc)·JournalCell Reports Medicine·DateJul 18, 2023

Dual wavelengths of light effective against antibiotic-resistant bacterium

A combination of far UVC and blue LED light has been shown to be effective in inactivating a wide range of microorganisms, including antibiotic-resistant ESBL-Ec bacteria. The coupling of these two light wavelengths increases their effectiveness through different mechanisms of microorganism inactivation.

SourceApplied Microbiology International·JournalJournal of Applied Microbiology·DateJul 18, 2023

UC Berkeley study reveals goal-oriented rewards as key factors in decision-making

Researchers at UC Berkeley found that people's perception of value is heavily influenced by their personal goals and the context in which a decision is made. The study suggests that achieving a goal is crucial to decision-making, with potential applications in policy changes, financial decisions, education, and therapeutic strategies.

SourceUniversity of California - Berkeley·JournalPLOS Biology·DateJul 18, 2023

New study throws light on mechanisms underlying helicobacter pylori-induced gastric cancer

Researchers have identified the molecular mechanisms underlying gastric carcinogenesis induced by H. pylori infections, highlighting the disruption of the Wnt/PCP signaling pathway. This study provides insights into the potential target for clinical interventions against H. pylori cagA+ infections.

SourceJuntendo University Research Promotion Center·JournalScience Signaling·TypeExperimental study·DateJul 18, 2023
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

UCLA biobank study reveals disease risk, heath care use among LA’s diverse population

A new UCLA Health study analyzed genetic data from 36,000 patients to identify disease risks and healthcare utilization among ancestrally diverse groups in the Los Angeles region. The research found substantial differences in diagnoses, hospital utilization, and genetic disease rates across clusters linked by shared genetic ancestry.

SourceUniversity of California - Los Angeles Health Sciences·JournalNature Medicine·DateJul 18, 2023

AI researchers have developed an algorithm to determine the properties of two-dimensional materials by analyzing their defects

Researchers developed an AI algorithm to predict the properties of new 2D materials with point defects, achieving 3.7 times greater accuracy than other machine learning algorithms. The model operates 1000 times faster than quantum mechanical computations and can handle multiple defects simultaneously.

SourceNational Research University Higher School of Economics·Journalnpj Computational Materials·DateJul 18, 2023
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Unusual fossil shows rare evidence of a mammal attacking a dinosaur

A rare fossil discovered in China's Liaoning Province reveals a dramatic moment when a carnivorous mammal attacked a plant-eating dinosaur, challenging the view that dinosaurs had few threats from their mammal contemporaries. The well-preserved fossil shows the mammal gripping the jaw of the larger dinosaur and biting into its ribs.

SourceCanadian Museum of Nature·JournalScientific Reports·TypeObservational study·DateJul 18, 2023

Front cover highlights "innovative approach" of research into 2D materials

Lancaster University researchers have developed a novel scanning thermal microscopy approach to directly measure the heat conductivity of two-dimensional materials. This breakthrough enables the creation of efficient waste heat scavengers generating cheap electricity, new compact fridges, and advanced optical and microwave sensors and ...

SourceLancaster University·JournalAdvanced Materials Interfaces·TypeExperimental study·DateJul 18, 2023
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

The cost of being a non-native English speaker in science

Research reveals non-native English speakers need up to twice as much time to read and write papers, with 2.5 times higher rejection rates for papers written in English. This disproportionately affects early career stage researchers from lower income countries.

SourcePLOS·JournalPLOS Biology·TypeSurvey·DateJul 18, 2023

Concentration of cell membrane components with nanocarbon materials

Research discovered lipids concentrate on graphene oxide in cell membrane models, revealing a mechanism for lipid domain formation. The findings have implications for concentrating and separating lipids and membrane proteins, essential for medicine and drug discovery.

SourceToyohashi University of Technology (TUT)·JournalInternational Journal of Molecular Sciences·TypeExperimental study·DateJul 18, 2023

Termites as cause of fairy circles in Namib Desert confirmed

Researchers confirm termites as cause of Namib Desert fairy circles, refuting the self-regulation hypothesis. The study found that sand termites eliminate plants in sandy soils, enabling long-lasting water storage after infrequent rainfall.

SourceMIN-Faculty Universität Hamburg·JournalPerspectives in Plant Ecology Evolution and Systematics·DateJul 18, 2023
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Detecting nanoplastics – in fractions of a second

Researchers at Vienna University of Technology have developed a measurement method to detect individual nanoplastic particles, orders of magnitude faster than previous techniques. The new technique uses Raman scattering and an extremely fine gold grid to amplify the light signal, allowing for rapid detection even at low concentrations.

SourceVienna University of Technology·JournalScientific Reports·DateJul 18, 2023

Study identifies how diabetes slows healing in the eye

Researchers at Cedars-Sinai have identified two disease-associated changes to the cornea in diabetes patients that delay wound healing. The study proposes three therapeutic pathways that reversed these changes and partially restored wound-healing function, offering new potential treatments for diabetes.

SourceCedars-Sinai Medical Center·JournalDiabetologia·TypeNews article·DateJul 18, 2023

Safe train transport

Oak Ridge National Laboratory researchers reconstructed crude oil transport paths by linking geotagged images with national railway networks. The study found that these inferred routes aligned with approximately 96% of documented incidents, highlighting potential risks along rail routes.

SourceDOE/Oak Ridge National Laboratory·JournalTransportation Research Record Journal of the Transportation Research Board·DateJul 18, 2023
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Luther studying forest fragmentation & climate change

Researchers study the impact of climate change on bird populations in fragmented forests, assessing effects of microclimate variation and temperature changes on survival and reproduction. The team analyzes dietary specialization, stress, and behavioral adaptations to understand how these factors affect bird demographic responses.

SourceGeorge Mason University·DateJul 18, 2023

New MenB vaccine heralds use of genetic vaccines to combat bacterial diseases

Scientists have developed a vaccine candidate that protects children from Meningococcal group B (MenB), which can lead to severe infections like meningitis and sepsis. The vaccine uses an existing platform to produce a protective protein, showing strong and long-lasting protection in mice.

SourceUniversity of Surrey·JournalScience Translational Medicine·TypeExperimental study·DateJul 18, 2023

Droplet levitation is a new way to explore airborne viruses and microorganisms

Millimeter-sized droplets can be levitated for long periods using solutocapillary convection within a pool of silicone liquid, allowing researchers to study the activity of viruses and microorganisms in airborne aerosols. This phenomenon has potential applications in microbiology and biochemistry.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateJul 18, 2023
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Progressing undetected for years

Researchers at the University of Montreal found that movement circuits in mice brains are insensitive to dopamine levels, contradicting initial hypotheses. This discovery could lead to new approaches to reduce Parkinson's disease symptoms by identifying mechanisms involved in dopamine secretion.

SourceUniversity of Montreal·JournalNature Communications·DateJul 18, 2023

3D/4D printed bio-piezoelectric smart scaffolds for next-generation bone tissue engineering

Researchers developed bio-piezoelectric smart scaffolds for next-generation bone tissue engineering, demonstrating potential for clinical applications. The scaffolds can reconstruct desired tissue EM through non-invasive ultrasonic stimulation, promoting cell adhesion and osteogenic differentiation.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJul 18, 2023

IU-developed statewide initiative shows primary care clinicians can diagnose autism in young children with high accuracy

A new study led by Indiana University School of Medicine researchers shows that primary care clinicians who receive specialized training can make accurate autism diagnoses for over 80 percent of young children referred with developmental delays. The EAE Hub system, a statewide network providing training and collaborative learning, has ...

SourceIndiana University School of Medicine·JournalPEDIATRICS·DateJul 18, 2023

It’s sewage, not fertilizer fueling nitrogen surge in Florida’s Indian River Lagoon

A recent study by Florida Atlantic University reveals that sewage is the primary cause of nitrogen surges in the Indian River Lagoon, contradicting previous findings that fertilizer use was the main contributor. The study found that water quality and harmful algal blooms worsened after five years of mandatory wet season fertilizer blac...

SourceFlorida Atlantic University·JournalMarine Pollution Bulletin·TypeExperimental study·DateJul 18, 2023
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Prenatal health care outcomes before, during pandemic

A multimodal prenatal health care model combining in-office and telemedicine visits performed adequately compared with traditional in-office only prenatal health care, supporting its continued use after the pandemic. The study of 151,000 pregnant individuals found similar health outcomes for both models.

SourceJAMA Network·JournalJAMA Network Open·DateJul 18, 2023

Antipsychotic drugs work differently than scientists believed

Researchers at Northwestern University discovered that antipsychotic drugs interact with a different neuron type than scientists originally believed, which could lead to better treatments for schizophrenia. The study's findings suggest that the effect of antipsychotics on dopamine receptors has little bearing on their efficacy in humans.

SourceNorthwestern University·JournalNature Neuroscience·TypeExperimental study·DateJul 18, 2023
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Virtual rehabilitation program for seniors with frailty shows promise, according to McMaster-led research

A McMaster-led research study found that a virtual rehabilitation program for seniors with frailty was highly adhered to and showed improvements in mobility and quality of life. The study's results suggest that virtually delivered care is an alternative to in-person programs, potentially helping prevent decline in bodily functions.

SourceMcMaster University·JournalPilot and Feasibility Studies·TypeRandomized controlled/clinical trial·DateJul 18, 2023

Sylvester, Dana-Farber researchers to receive funding to study how diet, exercise impact mental and physical functioning in older cancer survivors

A $7 million PCORI-funded study will examine the effectiveness of supervised and unsupervised exercise-and-diet interventions in pairs of older cancer patients and their caregivers. The five-year study aims to improve mental and physical functioning as well as physical activity and diet.

SourceUniversity of Miami Miller School of Medicine·DateJul 18, 2023

Turning waste heat into energy

The team created a thermocell using a hydrogel that reacted to temperature changes, converting latent heat into electricity. This breakthrough supports the idea that various materials can be used for thermoelectric conversion, potentially reducing reliance on other energy sources and improving cooling systems.

SourceUniversity of Tokyo·JournalAdvanced Materials·TypeExperimental study·DateJul 18, 2023